import {ref,onMounted} from 'vue'
export default function useCounter(){
    const counter = ref(0)
    function increment(){
        counter.value++
    }

    function decrement(){
        counter.value--
    }

    onMounted(()=>{
        setTimeout(()=>{
            counter.value=999
        },1000)
    })
    return {
        counter,
        increment,
        decrement
    }
}